dt-bindings: drm/msm/gpu: Document gpu opp table

Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.

Signed-off-by: Sharat Masetty <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Akhil P Oommen <[email protected]>
Signed-off-by: Rob Clark <[email protected]>

Author: Sharat Masetty

Documentation/devicetree/bindings/display/msm/gpu.txt

@@ -112,6 +112,34 @@ Example a6xx (with GMU):
 		interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;
 		interconnect-names = "gfx-mem";
 
+		gpu_opp_table: opp-table {
+			compatible = "operating-points-v2";
+
+			opp-430000000 {
+				opp-hz = /bits/ 64 <430000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+				opp-peak-kBps = <5412000>;
+			};
+
+			opp-355000000 {
+				opp-hz = /bits/ 64 <355000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-267000000 {
+				opp-hz = /bits/ 64 <267000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-180000000 {
+				opp-hz = /bits/ 64 <180000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+				opp-peak-kBps = <1804000>;
+			};
+		};
+
 		qcom,gmu = <&gmu>;
 
 		zap-shader {